. How to know the butterflies; a manual of the butterflies of the eastern United States. Butterflies. HOW TO KNOW THE BUTTERFLIES for a considerable distance beyond the apex of cell R + M; and only three or four of the branches of radius remain dis- tinct. In this family the fore legs are well-developed in both sexes, there being no tendency to their reduction in size, as in the following families. The larvse are usually slender, green worms clothed with short, fine hairs ; the well-known cab- bage-worms are typical il- lustrations. The chrysalids are sup- ported by the tail and by a loose gir
. How to know the butterflies; a manual of the butterflies of the eastern United States. Butterflies. HOW TO KNOW THE BUTTERFLIES for a considerable distance beyond the apex of cell R + M; and only three or four of the branches of radius remain dis- tinct. In this family the fore legs are well-developed in both sexes, there being no tendency to their reduction in size, as in the following families. The larvse are usually slender, green worms clothed with short, fine hairs ; the well-known cab- bage-worms are typical il- lustrations. The chrysalids are sup- ported by the tail and by a loose girth around the middle. They can be dis- tinguished at a glance by the presence of a single pointed projection in front. (Plate III, Fig. 3.) In order to facilitate the study of the family, our genera can be separated, somewhat arbitrarily, into three groups ; these are the Whites, the Orange-tips, and the Yel- lows. In the first two groups the prevailing color is white ; in the third, it is either yellow or orange. These groups can be separated as follows : A. Vein M„ of the front wings arising from radius, and cutting off obliquely the apex of cell R + M; radius of the front wings only three-branched, or if four-branched with one branch (vein RJ exceedingly short, arising just 70. Fig. 28.—Venation of the wings of Riirymus Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Comstock, John Henry, 1849-1931; Comstock, Anna Botsford, 1854-1930. New York, D. Appleton
Size: 1374px × 1817px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, booksubjectbutterf, bookyear1904
